Obagi Nu Derm Blend Fx improves the appearance of sun damage and hyperpigmentation. This non-prescription night cream is a hydroquinone-free alternative to Obagi Blender that targets dark spots caused by melasma, acne, UV exposure and more. Blend Fx also helps improve skin elasticity by building healthy collagen. Its gentle formula works to provide anti-aging results without causing irritation. With regular use, this skin brightener will gradually improve the appearance of blotchy and discolored skin. Hydroquinone-free Restores elasticity and builds collagen Actively lightens discoloration Contains 7% arbutin Before After 24 weeks Use this product in the evening mixed with your tretinoin/Retin-A. Measure ½ to 1 gram (approximately 1 to 2 pea-size drops) and apply evenly to the entire face, avoiding the eyelid area. Massage until completely absorbed.